Auxiliary welding system for suspension arm cylinder

The invention relates to the technical field of suspension arm cylinder production, and discloses a suspension arm cylinder auxiliary welding system which mainly comprises a cylinder inner supporting tool, a position detection device, a pressure detection device and a processing device.The cylinder inner supporting tool comprises two inner supporting pieces, a transverse moving assembly and a lifting assembly; the processing equipment communicates with the transverse moving assembly, the lifting assembly, the position detection equipment and the pressure detection equipment, and is configured to control the lifting assembly and the transverse moving assembly to cooperatively act according to the welding seam position and the supporting pressure; and the inner supporting piece can support the inner walls of the upper cylinder cover and the lower cylinder cover on the upper side and the lower side of the longitudinal welding seam of the cylinder at the preset pressure. According to the auxiliary welding system